Apple-2-HW/unified_retro_keyboard
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5 Commits

Author SHA1 Message Date
Dave
5f27567db3 Modify to use DIP switch or jumpers 
- Add combined DIP-switch/Jumper footprint to footprint library
- Fix Apple2-encoder and interface-ascii-atmega2560 schematics and PCB to use
new footprint.
 2020-12-29 17:11:50 -06:00
Dave
3998a3d4ab Added combined SMT-Thru-hole Diode for keyboard 2020-06-23 17:17:25 -05:00
Dave
ade0b3c971 Added LED+switch to unikbd libary to adjust pin numbers 2020-06-16 22:08:05 -05:00
Dave
5fa0f80b4e Add OSI interface schematic 
Provides a keyboard interface to interface with OSI computers.  Equivalent to an
OSI 542C.

- Includes sound circuits

- Includes RESET delay circuit

- SHIFT LOCK can be mechanical push-on/push-off or soft toggle, selectable by
jumper.

- Provide SHIFT LOCK LED output.
 2020-04-21 14:30:59 -05:00
Dave
784805adc7 first commit 2019-12-12 14:46:29 -06:00